USN-7971-1

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Source
https://ubuntu.com/security/notices/USN-7971-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7971-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7971-1
Upstream
Related
Published
2026-01-21T17:13:35Z
Modified
2026-04-27T18:33:12.036419Z
Summary
glib2.0 vulnerability
Details

It was discovered that GLib incorrectly handled the buffered input stream API. An attacker could use this issue to cause GLib to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.72.4-0ubuntu2.8?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.72.4-0ubuntu2.8

Affected versions

2.*
2.68.4-1ubuntu1
2.70.1-1
2.70.2-1
2.71.0-2
2.71.1-1
2.71.2-1
2.71.3-1
2.72.0-1
2.72.1-1
2.72.4-0ubuntu1
2.72.4-0ubuntu2
2.72.4-0ubuntu2.2
2.72.4-0ubuntu2.3
2.72.4-0ubuntu2.4
2.72.4-0ubuntu2.5
2.72.4-0ubuntu2.6
2.72.4-0ubuntu2.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.72.4-0ubuntu2.8",
            "binary_name": "libglib2.0-0"
        },
        {
            "binary_version": "2.72.4-0ubuntu2.8",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.72.4-0ubuntu2.8",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.72.4-0ubuntu2.8",
            "binary_name": "libglib2.0-dev-bin"
        },
        {
            "binary_version": "2.72.4-0ubuntu2.8",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7971-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-0988",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.80.0-6ubuntu3.7?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.80.0-6ubuntu3.7

Affected versions

2.*
2.78.0-2
2.78.1-4
2.78.3-1
2.78.3-2
2.79.1-1
2.79.2-1~ubuntu1
2.79.3-3ubuntu5
2.80.0-6ubuntu1
2.80.0-6ubuntu3
2.80.0-6ubuntu3.1
2.80.0-6ubuntu3.2
2.80.0-6ubuntu3.4
2.80.0-6ubuntu3.5
2.80.0-6ubuntu3.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "gir1.2-girepository-3.0"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "gir1.2-glib-2.0"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libgirepository-2.0-0"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libglib2.0-0t64"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libglib2.0-dev-bin"
        },
        {
            "binary_version": "2.80.0-6ubuntu3.7",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7971-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-0988",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.86.0-2ubuntu0.2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.86.0-2ubuntu0.2

Affected versions

2.*
2.84.1-1
2.84.1-2
2.84.2-1
2.84.3-1
2.85.1-2
2.85.2-2
2.85.3-1
2.86.0-2
2.86.0-2ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "gir1.2-girepository-3.0"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "gir1.2-glib-2.0"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "girepository-tools"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libgio-2.0-dev-bin"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libgirepository-2.0-0"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libglib2.0-0t64"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libglib2.0-dev-bin"
        },
        {
            "binary_version": "2.86.0-2ubuntu0.2",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7971-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-0988",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}